- u32 bi0, next0, sw_if_index0, feature_bitmap0, rwe_index0;
- vlib_buffer_t *b0;
- ethernet_header_t *h0;
- l2_rw_config_t *config0;
- u64 hash0;
- vnet_classify_table_t *t0;
- vnet_classify_entry_t *e0;
- l2_rw_entry_t *rwe0;
-
- bi0 = from[0];
- to_next[0] = bi0;
- from += 1;
- to_next += 1;
- n_left_from -= 1;
- n_left_to_next -= 1;
-
- b0 = vlib_get_buffer(vm, bi0);
- h0 = vlib_buffer_get_current(b0);
-
- sw_if_index0 = vnet_buffer(b0)->sw_if_index[VLIB_RX];
- config0 = l2_rw_get_config(sw_if_index0); //TODO: check sw_if_index0 value
- t0 = pool_elt_at_index(vcm->tables, config0->table_index);
-
- hash0 = vnet_classify_hash_packet(t0, (u8 *)h0);
- e0 = vnet_classify_find_entry(t0, (u8 *) h0, hash0, now);
-
- rwe_index0 = e0?e0->opaque_index:config0->miss_index;
-
- if (rwe_index0 != ~0) {
- rwe0 = pool_elt_at_index(rw->entries, rwe_index0);
- l2_rw_rewrite(rwe0, (u8 *)h0);
- }
-
- if (PREDICT_FALSE((b0->flags & VLIB_BUFFER_IS_TRACED))) {
- l2_rw_trace_t *t =
- vlib_add_trace (vm, node, b0, sizeof (*t));
- t->sw_if_index = sw_if_index0;
- t->classify_table_index = config0->table_index;
- t->rewrite_entry_index = rwe_index0;
- }
-
- // Update feature bitmap and get next feature index
- feature_bitmap0 = vnet_buffer(b0)->l2.feature_bitmap & ~L2INPUT_FEAT_RW;
- vnet_buffer(b0)->l2.feature_bitmap = feature_bitmap0;
- next0 = feat_bitmap_get_next_node_index(rw->feat_next_node_index,
- feature_bitmap0);
-
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
- to_next, n_left_to_next,
- bi0, next0);
+ u32 n_left_to_next;
+
+ /* get space to enqueue frame to graph node "next_index" */
+ vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
+
+ while (n_left_from >= 4 && n_left_to_next >= 2)
+ {
+ u32 bi0, next0, sw_if_index0, feature_bitmap0, rwe_index0;
+ u32 bi1, next1, sw_if_index1, feature_bitmap1, rwe_index1;
+ vlib_buffer_t *b0, *b1;
+ ethernet_header_t *h0, *h1;
+ l2_rw_config_t *config0, *config1;
+ u64 hash0, hash1;
+ vnet_classify_table_t *t0, *t1;
+ vnet_classify_entry_t *e0, *e1;
+ l2_rw_entry_t *rwe0, *rwe1;
+
+ {
+ vlib_buffer_t *p2, *p3;
+ p2 = vlib_get_buffer (vm, from[2]);
+ p3 = vlib_get_buffer (vm, from[3]);
+
+ vlib_prefetch_buffer_header (p2, LOAD);
+ vlib_prefetch_buffer_header (p3, LOAD);
+ CLIB_PREFETCH (vlib_buffer_get_current (p2), prefetch_size, LOAD);
+ CLIB_PREFETCH (vlib_buffer_get_current (p3), prefetch_size, LOAD);
+ }
+
+ bi0 = from[0];
+ bi1 = from[1];
+ to_next[0] = bi0;
+ to_next[1] = bi1;
+ from += 2;
+ to_next += 2;
+ n_left_from -= 2;
+ n_left_to_next -= 2;
+
+ b0 = vlib_get_buffer (vm, bi0);
+ b1 = vlib_get_buffer (vm, bi1);
+ h0 = vlib_buffer_get_current (b0);
+ h1 = vlib_buffer_get_current (b1);
+
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+ sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX];
+ config0 = l2_rw_get_config (sw_if_index0); /*TODO: check sw_if_index0 value */
+ config1 = l2_rw_get_config (sw_if_index1); /*TODO: check sw_if_index0 value */
+ t0 = pool_elt_at_index (vcm->tables, config0->table_index);
+ t1 = pool_elt_at_index (vcm->tables, config1->table_index);
+ prefetch_size =
+ (t1->skip_n_vectors + t1->match_n_vectors) * sizeof (u32x4);
+
+ hash0 = vnet_classify_hash_packet (t0, (u8 *) h0);
+ hash1 = vnet_classify_hash_packet (t1, (u8 *) h1);
+ e0 = vnet_classify_find_entry (t0, (u8 *) h0, hash0, now);
+ e1 = vnet_classify_find_entry (t1, (u8 *) h1, hash1, now);
+
+ while (!e0 && (t0->next_table_index != ~0))
+ {
+ t0 = pool_elt_at_index (vcm->tables, t0->next_table_index);
+ hash0 = vnet_classify_hash_packet (t0, (u8 *) h0);
+ e0 = vnet_classify_find_entry (t0, (u8 *) h0, hash0, now);
+ }
+
+ while (!e1 && (t1->next_table_index != ~0))
+ {
+ t1 = pool_elt_at_index (vcm->tables, t1->next_table_index);
+ hash1 = vnet_classify_hash_packet (t1, (u8 *) h1);
+ e1 = vnet_classify_find_entry (t1, (u8 *) h1, hash1, now);
+ }
+
+ rwe_index0 = e0 ? e0->opaque_index : config0->miss_index;
+ rwe_index1 = e1 ? e1->opaque_index : config1->miss_index;
+
+ if (rwe_index0 != ~0)
+ {
+ rwe0 = pool_elt_at_index (rw->entries, rwe_index0);
+ l2_rw_rewrite (rwe0, (u8 *) h0);
+ }
+ if (rwe_index1 != ~0)
+ {
+ rwe1 = pool_elt_at_index (rw->entries, rwe_index1);
+ l2_rw_rewrite (rwe1, (u8 *) h1);
+ }
+
+ if (PREDICT_FALSE ((b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ l2_rw_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->sw_if_index = sw_if_index0;
+ t->classify_table_index = config0->table_index;
+ t->rewrite_entry_index = rwe_index0;
+ }
+
+ if (PREDICT_FALSE ((b1->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ l2_rw_trace_t *t = vlib_add_trace (vm, node, b1, sizeof (*t));
+ t->sw_if_index = sw_if_index1;
+ t->classify_table_index = config1->table_index;
+ t->rewrite_entry_index = rwe_index1;
+ }
+
+ /* Update feature bitmap and get next feature index */
+ feature_bitmap0 =
+ vnet_buffer (b0)->l2.feature_bitmap & ~L2INPUT_FEAT_RW;
+ feature_bitmap1 =
+ vnet_buffer (b1)->l2.feature_bitmap & ~L2INPUT_FEAT_RW;
+ vnet_buffer (b0)->l2.feature_bitmap = feature_bitmap0;
+ vnet_buffer (b1)->l2.feature_bitmap = feature_bitmap1;
+ next0 = feat_bitmap_get_next_node_index (rw->feat_next_node_index,
+ feature_bitmap0);
+ next1 = feat_bitmap_get_next_node_index (rw->feat_next_node_index,
+ feature_bitmap1);
+
+ vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
+ to_next, n_left_to_next,
+ bi0, bi1, next0, next1);
+ }
+
+ while (n_left_from > 0 && n_left_to_next > 0)
+ {
+ u32 bi0, next0, sw_if_index0, feature_bitmap0, rwe_index0;
+ vlib_buffer_t *b0;
+ ethernet_header_t *h0;
+ l2_rw_config_t *config0;
+ u64 hash0;
+ vnet_classify_table_t *t0;
+ vnet_classify_entry_t *e0;
+ l2_rw_entry_t *rwe0;
+
+ bi0 = from[0];
+ to_next[0] = bi0;
+ from += 1;
+ to_next += 1;
+ n_left_from -= 1;
+ n_left_to_next -= 1;
+
+ b0 = vlib_get_buffer (vm, bi0);
+ h0 = vlib_buffer_get_current (b0);
+
+ sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
+ config0 = l2_rw_get_config (sw_if_index0); /*TODO: check sw_if_index0 value */
+ t0 = pool_elt_at_index (vcm->tables, config0->table_index);
+
+ hash0 = vnet_classify_hash_packet (t0, (u8 *) h0);
+ e0 = vnet_classify_find_entry (t0, (u8 *) h0, hash0, now);
+
+ while (!e0 && (t0->next_table_index != ~0))
+ {
+ t0 = pool_elt_at_index (vcm->tables, t0->next_table_index);
+ hash0 = vnet_classify_hash_packet (t0, (u8 *) h0);
+ e0 = vnet_classify_find_entry (t0, (u8 *) h0, hash0, now);
+ }
+
+ rwe_index0 = e0 ? e0->opaque_index : config0->miss_index;
+
+ if (rwe_index0 != ~0)
+ {
+ rwe0 = pool_elt_at_index (rw->entries, rwe_index0);
+ l2_rw_rewrite (rwe0, (u8 *) h0);
+ }
+
+ if (PREDICT_FALSE ((b0->flags & VLIB_BUFFER_IS_TRACED)))
+ {
+ l2_rw_trace_t *t = vlib_add_trace (vm, node, b0, sizeof (*t));
+ t->sw_if_index = sw_if_index0;
+ t->classify_table_index = config0->table_index;
+ t->rewrite_entry_index = rwe_index0;
+ }
+
+ /* Update feature bitmap and get next feature index */
+ feature_bitmap0 =
+ vnet_buffer (b0)->l2.feature_bitmap & ~L2INPUT_FEAT_RW;
+ vnet_buffer (b0)->l2.feature_bitmap = feature_bitmap0;
+ next0 = feat_bitmap_get_next_node_index (rw->feat_next_node_index,
+ feature_bitmap0);
+
+ vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
+ to_next, n_left_to_next,
+ bi0, next0);
+ }
+ vlib_put_next_frame (vm, node, next_index, n_left_to_next);